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Simple Answer:
When the driving force for convection is removed, the system will return to thermal equilibrium.
Explanation:
If convection exists in a fluid because a heat source is maintaining a temperature gradient and then that heat source is removed, the fluid will return to a stationary state with uniform temperature in a sequence of three overlapping stages.
1. With no driving force, the system initially continues the current flow and transport of heat, but the flow will slow and cease due to internal fluid viscosity
2. When system inertia of initial flow dissipates, new convection forces develop due to remaining thermal gradients and push fluid towards a configuration where density profile are perpendicular to gravitational forces.
3. Existing temperature gradients in the fluid will diminish through thermal conduction as the system proceeds toward a final uniform temperature.
Wiki User
∙ 11y ago
Wiki User
∙ 14y agoConvection Currents
The mantle has very very slow moving currents in it caused by the molten rocks, which have a consistency of jam. The rocks rise when they get hot, and because the surface of the Earth is a lot cooler than any other part they start to go cold and fall again. This causes a circular shape to be formed, constantly in motion. These push parts of the Earth further apart or closer together.
Wiki User
∙ 14y agohttp://www.globalissues.org/article/521/un-framework-convention-on-climate-change
*this may help
Wiki User
∙ 12y agoHeat. cool, dense magma flows down while hot, light material flows upward.
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What provides the thermal energy for currents to be formed?
The sun provides the thermal energy for currents to be formed.
What are Currents powered by wind called?
Surface Currents
How is a whitecap wave formed?
Whitecaps happen when strong wind push off the top of the wave.
Difference between cold and warm currents?
Warm currents are warm whereas cold currents are cold. Warm currents flow from the equatorial regions towards the polar regions whereas cold currents flow from the polar regions to the equatorial regions. By- Avyukt Sharma
How do convection currents distribute heat in the oceans?
the radiation from the sun will send heat to the ocean and the heat would make currents hot Basically a convection current
Describe the similarities and differences between gyres and currents?
A difference between gyres and currents is that currents are formed by the wind, but gyres are formed by currents.
What provides the thermal energy for currents to be formed?
The sun provides the thermal energy for currents to be formed.
Where are 2 places in Earth that has convention currents?
The mantle and the ocean both have examples of convection currents.
What is the heat source for earth's convention currents?
The sun.
When the heat source is removed form a fluid convention currents in the fluid will?
"Convention"? I think you mean "convection" currents, and they will die away quite rapidly as the fluid and its container cool.
How are suface currents formed?
from winds :)
Where are convection currents formed?
the ocean .
How is a deep ocean current formed?
I think ocean currents are formed because the pull of the moon,well actually waves are formed that way but I think it's the same thing.
How are different type of currents formed?
normal
What forms when the earth is heated unevenly?
This is a Study Island Question. The answer is convention currents.
How far ahead of the date of a convention should committees be formed?
Normally, committees should be formed one year prior to the date of a convention.
What Surface ocean currents are primarily formed by?
winds
